An open lava tube. This collapsed feature often occurs when the outer edges of a flow are quickly cooled by contact with seawater. The insulated lava inside remains viscous and eventually recedes, creating a void.
Photo Date: 2011 July 20
| 640 x 360 | 47.93 KB | |
| 1280 x 720 | 205.16 KB | |
| 1920 x 1080 | 392.50 KB | |
| 1920 x 1080 | 534.44 KB |
| Added On | 16th October 2015 |
| Viewed | 6 viewed |